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SCIENCE
April 3, 2013 | By Amina Khan
Let that long-held breath out, folks. The Alpha Magnetic Spectrometer has picked up a lot of mysterious antimatter in low Earth orbit - but that doesn't necessarily mean it's a sign of dark matter. In fact, even with the 400,000 positrons picked up by the cosmic-ray experiment -- the largest number of such particles ever analyzed in space -- it's unclear whether those positrons result from decaying dark matter, or simply from pulsars sending particles into the universe. "What you have probably seen from the data is a significant new measurement," said Brown University physicist Richard Gaitskell, a lead scientist on a different dark matter detector called the Large Underground Xenon experiment.
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SCIENCE
March 20, 2013 | By Monte Morin
Ladies and gentlemen, the Voyager 1 spacecraft has left the solar system - or has it? Scientists are continuing to debate whether the lonesome craft has finally escaped the solar system after 35 years of travel or has simply entered a previously unknown region of solar influence. On Wednesday, a study published in Geophysical Research Letters , a journal of the American Geophysical Union, suggests that the Voyager spacecraft exited the heliosphere - that region of space dominated by solar winds and long considered to be the edge of the solar system - on Aug. 25, 2012.
SCIENCE
August 28, 2013 | By Deborah Netburn
Scientists have caught the first images of a boa constrictor consuming a 9-pound howler monkey, and they are gruesome. In the gallery above, you will see the boa constrictor ingesting the monkey head-first, bit by bit.  The images accompany a study describing a play by play of the snake attack published in the journal Primates by Julio Cesar Bicca-Marques of Pontifical Catholic University of Rio Grande do Sul and his student  ...
NEWS
September 4, 2013 | By Mary MacVean
Screaming at your teenagers to discipline them can make their behavior worse - even if you otherwise have a warm family relationship, researchers say. The effects were comparable to those in studies that focused on physical punishments, the researchers said. “From that we can infer that these results will last the same way that the effects of physical discipline do,” the lead researcher, Ming-Te Wang, an assistant professor of psychology in education at the University of Pittsburgh, said in a statement.
SCIENCE
September 21, 2010 | By Eryn Brown, Los Angeles Times
The dark dust thrown up by human activity in the deserts of the Southwest hastens the melting of Rocky Mountain snow and ultimately reduces the amount of water flowing into the upper Colorado River by about 5%, scientists reported Monday. The lost water amounts to more than 250 billion gallons — enough to supply the Los Angeles region for 18 months, said study leader Thomas H. Painter, a snow hydrologist at the Jet Propulsion Laboratory in La Cañada Flintridge. "That's a lot of water," said Painter, whose study was published online by the Proceedings of the National Academy of Sciences.
SCIENCE
May 7, 2010 | By Amina Khan, Los Angeles Times
Famed physicist Stephen Hawking set off chatter in the scientific community in late April when he posited the existence of intelligent aliens on his new TV series, "Into the Universe with Stephen Hawking" —adding that it would be best for human beings to avoid contact with them. Hawking speculated that such aliens would likely be nomads, living in ships after sucking their own planet dry of resources, and hopping from one interstellar refueling station to the next. Earth, he said, shouldn't do anything to encourage their visit.
SCIENCE
April 1, 2014 | By Karen Kaplan
Happy April Fool's Day! Why not celebrate with a little humor from the world of science? No, that's not an April Fool's joke. It really IS possible to blend humor with science and math. The American Chemical Society proves it in the video above. You may find some of the jokes funnier than others. One of my favorites: “Never trust an atom - they make up everything.” There's another gem about two glasses of water concerned about the too-cool-for-school behavior of their ice-cube son. The punch line requires a junior-high understanding of chemistry.
SCIENCE
October 17, 2009 | John Johnson Jr.
Is 2012 the end of the world? If you scan the Internet or believe the marketing campaign behind the movie "2012," scheduled for release in November, you might be forgiven for thinking so. Dozens of books and fake science websites are prophesying the arrival of doomsday that year, by means of a rogue planet colliding with the Earth or some other cataclysmic event. Normally, scientists regard Internet hysteria with nothing more than a raised eyebrow and a shake of the head. But a few scientists have become so concerned at the level of fear they are seeing that they decided not to remain on the sidelines this time.
SCIENCE
July 5, 2013 | By Tony Barboza
What if the solution to smog was right where the rubber meets the road? Scientists in the Netherlands have found that installing special air-purifying pavement on city streets can cut air pollution nearly in half. Researchers at Eindhoven University of Technology outfitted one block in the city of Hengelo, Netherlands, with paving blocks sprayed with titanium oxide, which has the ability to remove pollutants from the air and turn them into less harmful chemicals. The researchers left normal pavement on an adjacent street as a control.
CALIFORNIA | LOCAL
October 10, 1997
Regarding "World Views on Global Warming Are Worlds Apart," Oct. 5: I applaud The Times for coverage of the debate over global climate change. In the attempt to portray the scope of the debate and the complexity of the scientific issues involved, however, your story curiously fails to report the broad scientific consensus on the subject. The 1995 report that is fleetingly mentioned was compiled by the world's preeminent climate scientists, and concluded that there is a discernible impact of human activities on climate.
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